66439261

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 78825600

約数和(自身を除く): 12386339

約数列:

[1, 7, 29, 203, 509, 643, 3563, 4501, 14761, 18647, 103327, 130529, 327287, 2291009, 9491323, 66439261]

約数ペア:

[(1, 66439261), (7, 9491323), (29, 2291009), (203, 327287), (509, 130529), (643, 103327), (3563, 18647), (4501, 14761)]